Saturday, March 17, 2012

Chorionic Villus Sampling & Amniocentesis in Pregnancy

Chorionic Villus Sampling and amniocentesis are tests carried out during pregnancy, to check your baby for disorders such as Down syndrome and, where appropriate, rarer specific inherited disorders. Amniocentesis is also occasionally done to test for other disorders in pregnancy such as fetal infection.

In CVS a small sample of the placenta (afterbirth) is taken for testing, whereas in amniocentesis a small amount of amniotic fluid - the water around your baby inside your uterus (womb) - is taken for testing.

CVS is performed most commonly between 11 and 13 weeks. Amniocentesis is performed after 15 weeks.

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